MULTIQUIP NIGHTHAWK LT12D Operation Manual

Dedicated light tower

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OPERATION MANUAL

NIGHTHAWK SERIES

MODELS LT12D, LT12P

DEDICATED LIGHT TOWER

(DEUTZ F3M1008F DIESEL ENGINE)

(LOMBARDINI LDW 1003 DIESEL ENGINE)

(PERKINS 103-10 DIESEL ENGINE)

Revision #12 (01/20/09)

THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.

PN 29543

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Page 1 OPERATION MANUAL NIGHTHAWK SERIES MODELS LT12D, LT12P DEDICATED LIGHT TOWER (DEUTZ F3M1008F DIESEL ENGINE) (LOMBARDINI LDW 1003 DIESEL ENGINE) (PERKINS 103-10 DIESEL ENGINE) Revision #12 (01/20/09) THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES. PN 29543...
Page 2 @ www.discount-equipment.com Select an option below to find your Equipment We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto, Power Blanket, Nifty Lift, Atlas Copco, Chicago Pneumatic, Allmand, Miller Curber, Skyjack, Lull,...
Page 3 PROPOSITION 65 WARNING Diesel engine exhaust and some of PAGE 2 — LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09)
Page 4 TABLE OF CONTENTS LT12 Series Light Tower Proposition 65 Warning ........... 2 Reporting Safety Defects ......... 3 Table Of Contents ............ 4 Safety Information ..........5-12 Lamp Footcandle Plot ..........13 Speciﬁ cations ........... 14-15 Dimensions ............16 General Information ..........17 Components .............
Page 5 SAFETY INFORMATION Do not operate or service the equipment before reading the Potential hazards associated with the operation of this entire manual. Safety precautions should be followed at all equipment will be referenced with hazard symbols which times when operating this equipment. Failure to read and may appear throughout this manual in conjunction with understand the safety messages and operating instructions safety messages.
Page 6 Disconnection of any of these  NEVER use accessories or attachments that are not devices will void all warranties. recommended by Multiquip for this equipment. Damage to the equipment and/or injury to user may result. CAUTION  ...
Page 7 SAFETY INFORMATION  NEVER remove safety pin or pull mast locking pin while LAMP SAFETY tower is in a raised position! WARNING  CHECK the mast and winch cables for wear. If any  NEVER attempt to replace lamp with the power on. problem occurs when lower or raising the tower, Always shut down the engine or turn off circuit breakers STOP immediately! Contact a trained technician for...
Page 8 SAFETY INFORMATION  ENGINE SAFETY Wet stacking is a common problem with diesel engines which are operated for extended periods with light or WARNING no load applied. When a diesel engine operates without sufﬁ cient load (less than 40% of the rated output), it will ...
Page 9 SAFETY INFORMATION  FUEL SAFETY ALWAYS inspect the hitch and coupling for wear. NEVER tow a trailer with defective hitches, couplings, chains, etc. DANGER  Check the tire air pressure on both towing vehicle and  DO NOT start the engine near spilled fuel or combustible trailer.
Page 10 SAFETY INFORMATION  TRANSPORTING SAFETY If lifting through pockets, make sure forks of forklift are inserted in pockets as far as possible before lifting. CAUTION  Never allow any person or animal to stand underneath the  Before lifting, make sure that light tower parts are not equipment while lifting.
Page 11 SAFETY INFORMATION  ELECTRICAL SAFETY Backfeed to a utility system can cause electrocution and/or property DANGER damage. NEVER connect the generator to a building’s electrical  The electrical voltage required to operate the generator system without a transfer switch or can cause severe injury or even death through physical other approved device.
Page 12 SAFETY INFORMATION BATTERY SAFETY ENVIRONMENTAL SAFETY DANGER NOTICE   DO NOT drop the battery. There is a possibility that the Dispose of hazardous waste properly. Examples of battery will explode. potentially hazardous waste are used motor oil, fuel and fuel ﬁ lters. ...
Page 13 LAMP FOOTCANDLE PLOT Figure 1. Lamp Footcandle Plot LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 13...
Page 14 SPECIFICATIONS Table 1. LT12 Series Speciﬁ cations Light Tower Model LT12D LT12P Deutz F3M1008F/ Perkins 103-10 Engine Model Lombardini LDW 1003 Diesel Engine Diesel Engine Weight (Dry) 1,550 lbs. (700 kg.) Support Points Wind Stability with Genset. 65 mph (80.46 kph) Lamps 4 1,000-Watt Metal Halide Lumens...
Page 15 SPECIFICATIONS Table 2. Engine Speciﬁ cations Engine Type Aspirated 4-stroke, 3-cylinder, 1 liter Diesel Engine Bore X Stroke 2.95 in. X 2.83 in. (75 mm x 72 mm) Displacement 58.21 cu. in. (954 cc) Max Output Standby 12 H.P. at 1,800 R.P.M. Max Output Prime 10.5 H.P.
Page 16 DIMENSIONS DEPLOYED POSITION STOWED POSITION REAR RIGHT SIDE Figure 2. Dimensions Table 3. Dimensions Reference Letter Description Dimension Length (Mast Stowed Position) 170 in. (431 cm.) Length (Mast Deployed Position) 101 in. (256 cm.) Max. Height (Mast Deployed Position) 31.5 ft. (9.6 m) Height (Mast Stowed Position) 74 in.
Page 17 GENERAL INFORMATION PANEL LIGHT The Multiquip LT12 Series Light Tower is a dedicated general purpose light tower engineered to provide A panel light automatically illuminates the control panel and dependable lighting for a wide range of applications. This all functions when the engine access door is opened. This includes lighting for construction sites, industrial locations, feature is convenient for night deployment.
Page 18 COMPONENTS Figure 3. Major Components (Control Panel Side) Figures 3 and 4 show the location of the controls and T-Bar — Allows the lamps to be mounted vertically or components for the LT12 series light tower. The function horizontally. of each control is described below. Lamps —...
Page 19 COMPONENTS REAR FRONT VIEW VIEW Figure 4. Major Components (Front/Rear) Safety Chain — Always attach safety chain to the Brake Lights — Before towing the light tower, make towing vehicle. Never tow the light tower with the safety sure that these lights are operational and are working chain unattached.
Page 20 CONTROL PANEL 240 VAC/30A 120 VAC/15A 240 VAC/30A 120 VAC/15A MAIN GFCI MAIN GFCI BREAKER BREAKER BREAKER BREAKER SenDEC SenDEC HOURS 1/10 1/10 HOURS 1/10 1/10 HOURS HOURS LIGHT CONTROL/BREAKER EMERGENCY SHUT DOWNS Flashing LED Indicates Cause of Shut Down WATER TEMP OIL PRESSURE AIR FILTER...
Page 21 CONTROL PANEL Figure 5 shows the location of the controls and indicators on PreHeat Indicator — Lights when the the control panel for the different engines used with the LT12 ignition key is turned to the ON position light tower. Service the equipment as needed depending indicating that the glow plugs are warming on the alarm indicated.
Page 22 INSPECTION BEFORE STARTING between the two notches as shown in Figure 6. Always ﬁ ll with recommended type oil as listed in Tables 4 and Read all safety instructions at the beginning of 5. See Table 2 for engine oil capacity. manual.
Page 23 INSPECTION FUEL CHECK BATTERY CHECK CAUTION WARNING Diesel fuel and its vapors are dangerous The operator must wear the appropriate to your health and the surrounding protective equipment and clothing while environment. Avoid skin contact and/or handling the battery. inhaling fumes. DO NOT smoke while Failure to wear protective equipment or clothing could refueling.
Page 24 INSPECTION WARNING Table 7. Anti-Freeze Operating Temperatures When connecting the positive (+) cable Freezing Point Boiling Point to the battery's positive (+) terminal post, Vol (%) DO NOT allow the wrench or any metallic Anti-Freeze °C °F °C °F part to come in contact with the battery's negative (-) terminal post.
Page 25 INSPECTION Locate the 4 key-lock female 3-pin DIN connectors WARNING on the T-bar. See Figure 10. The engine's exhaust contains harmful emissions. ALWAYS ventilate the exhaust when operating inside tunnels, excavations or buildings. Direct exhaust away from nearby personnel. KEY-LOCK FEMALE CONNECTORS Before starting the engine, make sure of the following:...
Page 26 OPERATION STARTING THE ENGINE Starting the Engine (Lombardini/Deutz Engines) The LT12 Series Light Tower is available with two types of Open the access panel door on the right side of the engines (Perkins or Lombardini/Deutz). The engine starting light tower (opposite the fuel tank). Set the door latch procedure for both engines are described below.
Page 27 OPERATION MAST OPERATION As soon as the pin clears the travel position hole, release it and continue sliding out the outrigger. The DANGER pin must snap into the outrigger locking hole in the extended position. ALWAYS make sure the area above light tower is open and clear of After extending all outriggers, rotate all trailer jack overhead power lines and other...
Page 28 OPERATION MAST CRADLE SUPPORT RETAINING CRADLE LOCK/ RELEASE MAST EXTENSION WINCH VERTICAL MAST WINCH MAST ROTATION MAST HANDLES LOCK/ RELEASE MAST ROTATION MAST LOCKING LOCK KNOB HANDLE ROTATING THE MAST Figure 17. Mast Operation PAGE 28 — LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09)
Page 29 OPERATION Lowering the Mast TURNING ON THE LAMPS Turn the mast extension winch counterclockwise, and The main circuit breaker (25 amps) and 4 lamp circuit observe that the mast begins to lower. breakers (10 amps each) are located on the upper control panel (Figure 18).
Page 30 OPERATION APPLYING AN EXTERNAL LOAD NORMAL SHUTDOWN The light tower is equipped with two auxiliary output If a load is attached to the generator of the light tower, receptacles (Figure 19). The uppermost receptacle (twist- remove the load. lock) located at the front of the light tower can provide Set the four lamp circuit breakers on the control panel 240 VAC at 25 amps.
Page 31 MAINTENANCE BASIC INSPECTION AND MAINTENANCE See Table 8 below for a general inspection and maintenance checklist. For more detailed maintenance, refer to the engine service manual. Table 8. Inspection/Maintenance 10 hrs 1000 Frequency 200 hrs 500 hrs Daily Check Engine Fluid Levels Check Fuel Filter Check Air Cleaner Dust Indicator (if equipped) Check for Leaks/Visual Walk Around...
Page 32 MAINTENANCE GENERAL INSPECTION starting becomes impossible. After running out of fuel, or after disassembling the fuel system, bleed the system. Prior to each use, the light tower should be cleaned and To restart after running out of fuel, squeeze the fuel primer inspected for deﬁ...
Page 33 MAINTENANCE When the water level is near the mouth of the water Using a ﬁ lter wrench, turn ﬁ lter cartridge to the left ﬁ ller, open drain plugs and start the engine, and run to remove it. If the ﬁ lter cartridge is ﬁ lled with a large at low idling.
Page 34 @ www.discount-equipment.com Select an option below to find your Equipment We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto, Power Blanket, Nifty Lift, Atlas Copco, Chicago Pneumatic, Allmand, Miller Curber, Skyjack, Lull,...
Page 35 MAINTENANCE REPLACING FUEL FILTER SERVICING THE MAST RAISE/LOWER CABLE SYSTEM: Set the container under the ﬁ lter cartridge to catch To replace any components in the mast raise/lower cable fuel. system, use the following steps (See Figure 21): Using a ﬁ lter wrench, turn the ﬁ lter cartridge to the left to remove it.
Page 36 MAINTENANCE  Lower the mast to the horizontal resting position. Disconnect the negative terminals of the battery and cover it, or remove and store it separately. Inspect the cable clamps, pulleys, and other components  for worn or damaged parts. If either of the cables on If the ambient temperature is expected to drop below the mast needs to be replaced, they should both be 0°C, add antifreeze to the radiator.
Page 37 MAINTENANCE — TRAILERS The following trailer maintenance guidelines are intended Follow the steps below to disassemble the wheel hub and to assist the operator in preventive maintenance. service the wheel bearings. See Figure 24. BEARING ADJUSTABLE CHANNEL WHEEL Your trailer may be equipped with an adjustable channel (Figure 23) that allows the coupler to be raised or lowered SEAL COTTER...
Page 38 MAINTENANCE — TRAILERS LEAF SUSPENSION DANGER The leaf suspension springs and associated components NEVER crawl under the trailer unless it is on ﬁ rm (Figure 25) should be visually inspected every 6,000 miles and level ground and resting on properly placed and for signs of excessive wear, elongation of bolt holes, and secured jackstands.
Page 39 TROUBLESHOOTING Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take remedial action following the diagnosis based on the troubleshooting tables. If the problem cannot be remedied, please leave the unit as is and consult Discount-Equipment. Table 9.
Page 40 TROUBLESHOOTING Table 10. Engine Troubleshooting Symptom Possible Cause Solution No fuel? Replenish fuel. Air in the fuel system? Bleed system. Water in the fuel system? Remove water from fuel tank. Fuel pipe clogged? Clean fuel pipe. Fuel ﬁ lter clogged? Clean or change fuel ﬁ...
Page 41 TROUBLESHOOTING Table 10. Engine Troubleshooting (continued) Symptom Possible Cause Solution Fuel ﬁ lter clogged or dirty? Clean or change. Air cleaner clogged? Clean or change. Fuel leak due to loose injection pipe Tighten nut. retaining nut? Engine revolution is not Injection pump malfunctioning? Repair or replace.
Page 42 TROUBLESHOOTING Table 11. Lamp Troubleshooting Symptom Possible Cause Solution Test the lamp in a ﬁ xture which is operating properly. Lamp Burned Out? Replace if necessary. Inspect lamp base to see if there is arcing at center Lamp Loose in Socket? contact button.
Page 43 TROUBLESHOOTING Table 11. Lamp Troubleshooting (continued) Symptom Possible Cause Solution Lamp starts slowly (ARC does not strike Lamp may glow for extended period of time. Replace after Defective Lamp? when switch is ﬁ rst checking voltage and ballast. turned on) Circuit breaker trips on Short Circuit or Ground? Check wiring against diagram.
Page 44 TROUBLESHOOTING LAMP TROUBLESHOOTING GUIDE If the lamp still does not ignite after plugging it into a working receptacle (120 VAC present), then the lamp Use the following procedure and wiring diagrams on the is defective and has to be replaced. next pages to determine which of the four lamps is not If the lamp ignites after plugging it into a working functioning:...
Page 45 LT12 WIRING DIAGRAM — S/N 902148 AND BELOW ROTOR STATOR BLACK LINE 1 120 VAC 60 HZ GREEN ROTOR WINDINGS NEUTRAL 240 VAC FIXED FLOW JUMPER CURRENT 60 HZ DIODE STATOR WINDING WHITE 120 VAC 60 HZ LINE 2 EXCITATION WINDING 60 HZ 50 HZ 36µF@425V...
Page 46 LT12 WIRING DIAGRAM — S/N 902148 AND BELOW NOTES: S/N 902625 AND BELOW USE ONLY SCREW TYPE CIRCUIT BREAKERS. 6-WIRE COIL CORD P/N 19955. INSTALLED ON UNITS S/N 905512 AND BELOW. WIRE SIZE IS 12 AWG UNLESS OTHERWISE SPECIFIED. SOME UNITS MAY HAVE A 47K ½...
Page 47 LT12 WIRING DIAGRAM — S/N 902149 TO 902625 ROTOR STATOR BLACK 120 VAC 60 HZ BLACK ROTOR WINDINGS 240 VAC FIXED FLOW CURRENT 60 HZ DIODE STATOR WINDING BLACK 120 VAC 60 HZ BLACK EXCITATION WINDING 60 HZ 50 HZ 25µF@425V EXCITATION CAPACITOR...
Page 48 LT12 WIRING DIAGRAM — S/N 902149 TO 902625 NOTES: S/N 902625 AND BELOW USE ONLY SCREW TYPE CIRCUIT BREAKERS. 6-WIRE COIL CORD P/N 19955. INSTALLED ON UNITS S/N 905512 AND BELOW. WIRE SIZE IS 12 AWG UNLESS OTHERWISE SPECIFIED. SOME UNITS MAY HAVE A 47K ½...
Page 49 LT12 WIRING DIAGRAM — S/N 902626 AND ABOVE ROTOR STATOR BLACK 120 VAC 60 HZ BLACK ROTOR WINDINGS 240 VAC FIXED FLOW CURRENT 60 HZ DIODE STATOR WINDING BLACK 120 VAC 60 HZ BLACK EXCITATION WINDING 60 HZ 50 HZ 25µF@425V EXCITATION CAPACITOR...
Page 50 LT12 WIRING DIAGRAM — S/N 902626 AND ABOVE NOTES: STARTING WITH S/N 902626 AND ABOVE USE ONLY SNAP FIT CIRCUIT BREAKERS. 7-WIRE COIL CORD P/N 29433 REPLACES 6-WIRE COIL CORD P/N 19955. S/N 905513 AND ABOVE. BLUE WIRE SIZE IS 12 AWG UNLESS OTHERWISE SPECIFIED.
Page 51 PERKINS ENGINE WIRING DIAGRAM PAGE 50 — LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09)
Page 52 DEUTZ ENGINE WIRING DIAGRAM LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 51...
Page 53 LT12 CONTROL PANEL/IGNITION WIRING DIAGRAM Operating voltage: 10 to 16 VDC (30VDC max 10 sec.) DEUTZ/LOMBARDINI SPECIFIC DOOR SWITCH PANEL LIGHT USE BULLET 16G BLACK (12") QUICK CONNECT 16G BLACK (6") 16G L BLUE TO KEY SWITCH 16G BLUE (10") 16G GREEN (4.5") HR METER GROUND...
Page 54 TRAILER GUIDELINES  The following guidelines are intended to assist the operator Shift your automatic transmission into a lower gear for in the operation and handling of a trailer. city driving.  Safety precautions should be followed at all times when ALWAYS use lower gears for climbing and descending operating a trailer.
Page 55 TRAILER GUIDELINES DRIVING CONDITIONS for the use of your trailer. Again, be sure your hitch and tow vehicle are rated for the Gross Vehicle Weight Rating of When towing a trailer, you will have decreased acceleration, your trailer. increased stopping distance, and increased turning radius WARNING (which means you must make wider turns to keep from hitting curbs, vehicles, and anything else that is on the...
Page 56 TRAILER GUIDELINES INOPERABLE BRAKES, LIGHTS OR MIRRORS Drive slowly at ﬁ rst, 5 mph or so, and turn the wheel to get the feel of how the tow vehicle and trailer combination Be sure that the brakes and all of the lights on your trailer responds.
Page 57 TRAILER GUIDELINES To determine the “empty” or “net” weight of your trailer, weigh it on an axle scale. To ﬁ nd the weight of the trailer using an axle scale, you must know the axle weights of your tow vehicle without the trailer coupled. Some of the trailer weight will be transferred from the trailer to the tow vehicle axles, and an axle scale weighs all axles, including the tow vehicle axles.
Page 58 TRAILER GUIDELINES SAFETY CHAINS Check the locking device that secures the coupler to the ball for proper operation. If the coupler connection comes loose, the safety chains If you see or feel evidence of wear, such as ﬂ at spots, can keep the trailer attached to the tow vehicle.
Page 59 TRAILER GUIDELINES  Lower the trailer (Figure D) until the coupler fully engages WARNING the hitch ball. A worn, cracked or corroded hitch ball can fail while 2-INCH TRAILER towing and may result in death or serious injury. COUPLER VEHICLE Before coupling trailer, inspect the hitch ball for wear, corrosion and cracks.
Page 60 TRAILER GUIDELINES  Attaching Safety Chain Backup Lights (place tow vehicle gear shift in reverse).  Turn Signals (activate tow vehicle directional signal Visually inspect the safety chains and hooks for wear or lever). damage. Replace worn or damaged safety chains and hooks before towing.
Page 61 TRAILER GUIDELINES PINTLE HITCH COUPLER If you see or feel evidence of wear, such as ﬂ at spots, deformations, pitting or corrosion, on the pintle hook or A pintle eye coupler (Figure F) connects to a pintle-hook coupler, immediately have your dealer inspect them to hitch that is located on or under the rear bumper of the tow determine the proper action to prevent possible failure of vehicle.
Page 62 TRAILER GUIDELINES   Raise the bottom surface of the coupler to be above the Lower the trailer so that its entire tongue weight is held top of the pintle hitch hook. Use the tongue jackstand by the hitch. to support the trailer tongue. Wood or concrete blocks ...
Page 63 TRAILER GUIDELINES wrench, use a lug wrench (from your tow vehicle) and This certiﬁ cation/VIN label will indicate the trailer’s Gross tighten the nuts as much as you can. Then have a service Vehicle Weight Rating (GVWR). This is the most weight garage or trailer dealer tighten the lug nuts to the proper the fully loaded trailer can weigh.
Page 64 TRAILER GUIDELINES Step 2. along with other care and maintenance activities, can also: Determine the weight of the equipment being loaded on the tow vehicle. That weight may not safely exceed  Improve vehicle handling. the available equipment load capacity. The trailer’s Tire ...
Page 65 TRAILER GUIDELINES Next number: This two-digit number is the wheel or rim in the tire. In general, the greater the number of plies, the diameter in inches. If you change your wheel size, you more weight a tire can support. Tire manufacturers also will have to purchase new tires to match the new wheel must indicate the materials in the tire, which include steel, diameter.
Page 66 TRAILER GUIDELINES Tires for light trucks have other markings besides those sidewall should not be repaired. Tires must be removed found on the sidewalls of passenger tires. from the rim to be properly inspected before being plugged and patched. LT: The “LT” indicates the tire is for light trucks or trailers. Replacing Worn or Damaged Tires ST: An “ST”...
Page 67 TRAILER GUIDELINES Wheel Rims Check to see if the lug nuts are tight after the ﬁ rst 10, 25 and 50 miles of driving and before each tow If the trailer has been struck, or impacted, on or near the thereafter wheels, or if the trailer has struck a curb, inspect the rims for damage (i.e.
Page 68 TRAILER GUIDELINES Figure L. Trailer to Tow Vehicle Wiring Diagram LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 67...
Page 69 @ www.discount-equipment.com Select an option below to find your Equipment We sell worldwide for the brands: Genie, Terex, JLG, MultiQuip, Mikasa, Essick, Whiteman, Mayco, Toro Stone, Diamond Products, Generac Magnum, Airman, Haulotte, Barreto, Power Blanket, Nifty Lift, Atlas Copco, Chicago Pneumatic, Allmand, Miller Curber, Skyjack, Lull,...

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